Re: Mounting root...
From: Pawel Jakub Dawidek (pjd_at_FreeBSD.org)
Date: 08/25/04
- Previous message: John Baldwin: "Re: Mounting root..."
- In reply to: John Baldwin: "Re: Mounting root..."
- Next in thread: Pawel Jakub Dawidek: "Re: Mounting root..."
- Reply: Pawel Jakub Dawidek: "Re: Mounting root..."
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Date: Wed, 25 Aug 2004 09:33:56 +0200 To: John Baldwin <jhb@FreeBSD.org>
On Tue, Aug 24, 2004 at 09:43:40AM -0400, John Baldwin wrote:
+> The fact that a RAID can recover when a disk goes away and comes back is
+> already the "general solution" it seems. It works all the time, not just at
+> boot, so it seems to me like you are trying to solve a problem that is
+> already solved. I think at most you could maybe have a system wide delay
+> before that the user can tweak via a tunable (rather than a per-GEOM class
+> tunable like your mirror one) in order to optimize the boot code for these
+> rare cases but that is about it. I.e., if a user notices that one of the
+> disks always takes an extra second they can set the tunable to force the
+> kernel to wait 2 seconds before trying to mount root. Any such delay should
+> be centralized, however, and not per-class, since all the per-class delays
+> would end up being cumulative, so if MIRROR waits 2 seconds and STRIPE waits
+> 3 seconds then the entire process actually waits 5 seconds as opposed to
+> letting the user tweak a single centralized timeout.
I second this, I'll prepare a patch then.
-- Pawel Jakub Dawidek http://www.FreeBSD.org pjd@FreeBSD.org http://garage.freebsd.pl FreeBSD committer Am I Evil? Yes, I Am!
- application/pgp-signature attachment: stored
- Previous message: John Baldwin: "Re: Mounting root..."
- In reply to: John Baldwin: "Re: Mounting root..."
- Next in thread: Pawel Jakub Dawidek: "Re: Mounting root..."
- Reply: Pawel Jakub Dawidek: "Re: Mounting root..."
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
